13110022231921 has 2 divisors, whose sum is σ = 13110022231922. Its totient is φ = 13110022231920.

The previous prime is 13110022231913. The next prime is 13110022231963. The reversal of 13110022231921 is 12913222001131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7976467141696 + 5133555090225 = 2824264^2 + 2265735^2 .

It is a cyclic number.

It is not a de Polignac number, because 13110022231921 - 2³ = 13110022231913 is a prime.

It is a super-2 number, since 2×13110022231921² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13110022231921.

It is not a weakly prime, because it can be changed into another prime (13110022211921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555011115960 + 6555011115961.

It is an arithmetic number, because the mean of its divisors is an integer number (6555011115961).

Almost surely, 2^{13110022231921} is an apocalyptic number.

It is an amenable number.

13110022231921 is a deficient number, since it is larger than the sum of its proper divisors (1).

13110022231921 is an equidigital number, since it uses as much as digits as its factorization.

13110022231921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 13110022231921 in words is "thirteen trillion, one hundred ten billion, twenty-two million, two hundred thirty-one thousand, nine hundred twenty-one".